/*
|
* The contents of this file are subject to the terms of the Common Development and
|
* Distribution License (the License). You may not use this file except in compliance with the
|
* License.
|
*
|
* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
|
* specific language governing permission and limitations under the License.
|
*
|
* When distributing Covered Software, include this CDDL Header Notice in each file and include
|
* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
|
* Header, with the fields enclosed by brackets [] replaced by your own identifying
|
* information: "Portions Copyright [year] [name of copyright owner]".
|
*
|
* Copyright 2006-2008 Sun Microsystems, Inc.
|
* Portions Copyright 2014-2016 ForgeRock AS.
|
*/
|
package org.opends.server.controls;
|
import static org.opends.messages.ProtocolMessages.*;
|
import static org.opends.server.util.ServerConstants.*;
|
|
import java.io.IOException;
|
|
import org.forgerock.i18n.LocalizableMessage;
|
import org.forgerock.opendj.io.ASN1;
|
import org.forgerock.opendj.io.ASN1Reader;
|
import org.forgerock.opendj.io.ASN1Writer;
|
import org.forgerock.opendj.ldap.ByteString;
|
import org.forgerock.opendj.ldap.ResultCode;
|
import org.opends.server.protocols.ldap.LDAPFilter;
|
import org.opends.server.types.Control;
|
import org.opends.server.types.DirectoryException;
|
import org.opends.server.types.LDAPException;
|
import org.opends.server.types.SearchFilter;
|
|
|
/**
|
* This class implements the LDAP assertion request control as defined in RFC
|
* 4528. This control makes it possible to conditionally perform an operation
|
* if a given assertion is true. In particular, the associated operation should
|
* only be processed if the target entry matches the filter contained in this
|
* control.
|
*/
|
public class LDAPAssertionRequestControl
|
extends Control
|
{
|
/** ControlDecoder implementation to decode this control from a ByteString. */
|
private static final class Decoder
|
implements ControlDecoder<LDAPAssertionRequestControl>
|
{
|
@Override
|
public LDAPAssertionRequestControl decode(boolean isCritical,
|
ByteString value)
|
throws DirectoryException
|
{
|
if (value == null)
|
{
|
LocalizableMessage message = ERR_LDAPASSERT_NO_CONTROL_VALUE.get();
|
throw new DirectoryException(ResultCode.PROTOCOL_ERROR, message);
|
}
|
|
ASN1Reader reader = ASN1.getReader(value);
|
LDAPFilter filter;
|
try
|
{
|
filter = LDAPFilter.decode(reader);
|
}
|
catch (LDAPException e)
|
{
|
throw new DirectoryException(ResultCode.valueOf(e.getResultCode()), e
|
.getMessageObject(), e.getCause());
|
}
|
|
return new LDAPAssertionRequestControl(isCritical, filter);
|
}
|
|
@Override
|
public String getOID()
|
{
|
return OID_LDAP_ASSERTION;
|
}
|
|
}
|
|
/** The Control Decoder that can be used to decode this control. */
|
public static final ControlDecoder<LDAPAssertionRequestControl> DECODER =
|
new Decoder();
|
|
|
|
/** The unparsed LDAP search filter contained in the request from the client. */
|
private LDAPFilter rawFilter;
|
|
/** The processed search filter. */
|
private SearchFilter filter;
|
|
|
|
/**
|
* Creates a new instance of this LDAP assertion request control with the
|
* provided information.
|
*
|
* @param isCritical Indicates whether support for this control should be
|
* considered a critical part of the server processing.
|
* @param rawFilter The unparsed LDAP search filter contained in the
|
* request from the client.
|
*/
|
public LDAPAssertionRequestControl(boolean isCritical, LDAPFilter rawFilter)
|
{
|
super(OID_LDAP_ASSERTION, isCritical);
|
|
|
this.rawFilter = rawFilter;
|
|
filter = null;
|
}
|
|
@Override
|
public void writeValue(ASN1Writer writer) throws IOException {
|
writer.writeStartSequence(ASN1.UNIVERSAL_OCTET_STRING_TYPE);
|
rawFilter.write(writer);
|
writer.writeEndSequence();
|
}
|
|
|
|
/**
|
* Retrieves the raw, unparsed filter from the request control.
|
*
|
* @return The raw, unparsed filter from the request control.
|
*/
|
public LDAPFilter getRawFilter()
|
{
|
return rawFilter;
|
}
|
|
|
/**
|
* Retrieves the processed search filter for this control.
|
*
|
* @return The processed search filter for this control.
|
*
|
* @throws DirectoryException If a problem occurs while attempting to
|
* process the search filter.
|
*/
|
public SearchFilter getSearchFilter()
|
throws DirectoryException
|
{
|
if (filter == null)
|
{
|
filter = rawFilter.toSearchFilter();
|
}
|
return filter;
|
}
|
|
@Override
|
public void toString(StringBuilder buffer)
|
{
|
buffer.append("LDAPAssertionRequestControl(criticality=");
|
buffer.append(isCritical());
|
buffer.append(",filter=\"");
|
rawFilter.toString(buffer);
|
buffer.append("\")");
|
}
|
}
|
